//gets a random number
function randomNum(){
	var max = 4;
	number = Math.random() * max + 1;
	num = Math.round(number);
	return num;
}
//gets a random number
function randomNum2(){
	var max = 2;
	number = Math.random() * max + 1;
	num = Math.round(number);
	return num;
}
//shows a random face on the right hand side of the page
function randomPatFace(x){
	theFace = '<img src="images/pat_face%27%20+%20x%20+%20%27.jpg" width="148" height="148" border="0">';
	return theFace;
}
//shows a random face on the right hand side of the page
function randomDocFace(x){
	theFace = '<img src="images/doc_face%27%20+%20x%20+%20%27.jpg" width="148" height="148" border="0">';
	return theFace;
}